6th Grade · Science · Quiz · shared by Luke Morgan
This free 6th Grade Science quiz covers mitochondria function, cellular respiration, ATP, and cell energy production for K-12 students.
Multiple Choice
1. _____ According to the passage, what is the primary job of the mitochondria?
A. To create protective layers for the muscle cells
B. To create energy currency that cells use for many functions
C. To act as a storage area for food molecules like sugars
D. To smooth out the wavy structures inside the cell
2. _____ What is the specific name for the wavy, finger-like folds of the inner membrane?
A. Matrix
B. Organelles
C. ATP
D. Cristae
3. _____ Which description best fits the outer membrane of a mitochondrion?
A. A smooth, protective layer
B. A complex and wavy structure
C. A series of tiny protein machines
D. A space filled with enzymes
4. _____ The passage compares the internal folds of the mitochondria to which two objects?
A. A battery and a machine
B. A brain and an accordion
C. A currency and a sugar
D. A muscle and a nerve
5. _____ What complex series of chemical reactions is responsible for breaking down food molecules?
A. Muscle contraction
B. Nerve impulses
C. Cellular respiration
D. Internal components
6. _____ What does the abbreviation ATP stand for?
A. Adenosine triphosphate
B. Active tiny proteins
C. Available total power
D. Always transmitting pulses
7. _____ According to the text, why is the folding of the inner membrane so important?
A. It makes the mitochondrion smaller so it can fit in muscle cells.
B. It smooths out the matrix to prevent chemical reactions.
C. It increases surface area for vital chemical processes.
D. It protects the outer membrane from protein machines.
8. _____ Where is the matrix located?
A. Outside the smooth outer membrane
B. On the very surface of the cristae
C. In the space between the muscle cells
D. In the space enclosed by the inner membrane
9. _____ What does the passage compare ATP to?
A. A rechargeable battery
B. A wavy finger
C. A smooth engine